Error code refactoring - #42

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tcunha wants to merge 30 commits into

ryanflannery:masterfrom

Commits on Feb 21, 2013

Avoid exiting if the home directory isn't known.
Tiago Cunha
committed
16a45c3
Don't destroy an uninitialised user interface.
Tiago Cunha
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13792bc

Commits on Feb 22, 2013

Add functions to output a message to stderr.
Tiago Cunha
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f0bbf50
Use newly added functions.
Tiago Cunha
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beec982

Commits on Feb 23, 2013

Remove includes from the header files.
Tiago Cunha
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100fb96
Add missing includes.
Tiago Cunha
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02805ac
Replace special errx(3) call with new function.
Tiago Cunha
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4135b87
Add missing format argument.
Tiago Cunha
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0b5e57d
Start adding support for error context.
Tiago Cunha
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8ab1902
Add configuration file error context.
Tiago Cunha
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8bdd03f
Add paint error context.
Tiago Cunha
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1553ab4
Add verbose command-line option.
Tiago Cunha
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4978fa2
Add functions to output a debug message.
Tiago Cunha
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f49976a
Zap DEBUG macro.
Tiago Cunha
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14605ed
Use new error functions.
Tiago Cunha
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73c5096
Sprinkle some const.
Tiago Cunha
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8e153b8
Take advantage of the -I compiler option.
Tiago Cunha
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431a68d
Remove last calls to the paint functions.
Tiago Cunha
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d2b6c36
Add functions that always exit when called.
Tiago Cunha
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1028a29
Add wrappers of functions that allocate memory.
Tiago Cunha
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06216ad
Remove superfluous bzero(3) calls.
Tiago Cunha
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07058a7
Use new wrapper functions.
Tiago Cunha
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0719724
Do not allocate a zero size object.
Tiago Cunha
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e112d94
Move example file to its own directory.
Tiago Cunha
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e048f28
Remove extension for consistency.
Tiago Cunha
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125db86
Do not use uninitialised variables.
Tiago Cunha
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e50cf67

Commits on May 14, 2013

Take advantage of the execute command function.
Tiago Cunha
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1523622
Print the configuration file and line number.
Tiago Cunha
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7f7f265
While at it, simplify configuration file parsing.
Tiago Cunha
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82414d4
Do not output the path twice.
Tiago Cunha
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00ba92f